CROSS-FLOW FAN FOR OPERATION IN SUCTION BRANCHED NETWORK Russian patent published in 2003 - IPC

FIELD: ventilation and pneumatic transportation of loose grainy materials. SUBSTANCE: proposed cross- flow fan contains scroll housing, inlet and outlet branch pipes and impeller with forward curved blades, inlet branch pipe are divided by cross partitions and impellers are divided by blind disks into number of sections. Corresponding cross partitions of inlet branch pipes and blind disks of impeller are arranged opposite to each other. Parameters of blades of impeller in sections or number of blades of impeller or parameters and number of blades of impeller can be different. EFFECT: improved efficiency and capacity of fan in operation. 1 dwg